﻿/* Copyright 2010-present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System.Collections;
using System.Collections.Generic;

namespace MongoDB.Bson.TestHelpers.EqualityComparers
{
    public class NonGenericEqualityComparerAdapter<T> : IEqualityComparer
    {
        // fields
        private readonly IEqualityComparer<T> _genericComparer;

        // constructors
        public NonGenericEqualityComparerAdapter(IEqualityComparer<T> genericComparer)
        {
            _genericComparer = genericComparer;
        }

        // methods
        public new bool Equals(object x, object y)
        {
            return _genericComparer.Equals((T)x, (T)y);
        }

        public int GetHashCode(object x)
        {
            return _genericComparer.GetHashCode((T)x);
        }
    }
}
